RE: [xsl] Portability function-available tips

["Michael Kay" <mhk@xxxxxxxxx>]

> > Two other suggestions for how to tackle this:
> > 
> > (a) put the processor-dependent code in an external XML
> > entity, and use an EntityResolver to bring in the right 
> > version of the external entity at stylesheet compile-time.
> > 
> > (b) write a processor-dependent stylesheet overlay that
> > imports the main logic of the stylesheet and overrides the 
> > processor-specific parts (for example, the global variable 
> > "foo" in your example below). Use this overlay as the 
> > nominated stylesheet for your transformation.
> 
> Thanks Mike, but the some of the constraints on this project 
> are that exactly the sames set of stylesheets should work 
> unchanged with both Msxml 4 and Saxon - otherwise I would 
> have used option B.  

Well, with case A you could argue that the *stylesheets* are identical
in the two cases, the only difference is in the environment...

Michael Kay


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